Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Internet Explorer 模式现已启用。 要在 Microsoft Edge 中使用 Internet Explorer 模式查看网站，请按照下列步骤操作。 导航到你想要在 Internet Explorer 模式中查看的网站。

Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Windows Hello Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。 若要在 Outlook.com 中取得支援，請按一下這裡或選取功能表列上的 [說明]，然後輸入您的查詢。如果自助無法解決問題，請向下捲動至 [仍然需要協助嗎?